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About the Role

You'll build the evaluation systems that tell us whether Firecrawl actually works. Our core promise, convert any URL into clean, structured, LLM-ready data reliably, is hard to measure rigorously across millions of different websites, formats, and edge cases. This role involves designing metrics, building pipelines, generating datasets, and owning the feedback loop from output quality back to model and product decisions.

Responsibilities

Design the metrics that define what "good output" actually means across millions of sites, formats, and edge cases
Build the pipelines and harnesses that measure quality rigorously and at scale
Generate and curate the datasets that make evaluation trustworthy
Own the feedback loop from output quality back to model and product decisions
Turn "did that work?" into an answer the whole team can act on

Requirements

Must be legally authorized to work in the United States. We're not able to sponsor visas right now, though that may change down the line.
You have the engineering depth to build real evaluation systems, not just run existing ones
You care deeply about what "good" means and how to measure it rigorously
You're comfortable owning ambiguous problems where the metric itself has to be invented
You move fast and close the loop - you'd rather ship, measure, and iterate than perfect on paper

Location

San Francisco, CA

Work Type

Hybrid
On-site required
Full-Time

Experience Level

4+ years in ML, research engineering, or data-heavy backend, with real evaluation work

Salary/Compensations

$210,000–$275,000/year

Benefits

Competitive equity
Generous PTO — 15 days mandatory, anything after 24 days, just ask (holidays excluded)
12 weeks fully paid parental leave, for all parents
$100/month wellness stipend
Expense up to $1,000/year toward learning and development
Team offsites
3 paid months off after 4 years sabbatical
Full medical, dental, and vision coverage (100% for employees, 50% for spouse/kids) for US-based full-time employees
Employer-paid short-term disability, long-term disability, and life insurance
Optional accident, critical illness, hospital indemnity, and voluntary life insurance
Doctegrity telehealth
401(k) plan
Pre-tax benefits — FSAs and commuter benefits
Pet insurance
SF HQ perks — Snacks, drinks, team lunches, intense ping pong, and peak startup energy
E-Bike transportation — A loaner electric bike

About the Company

Firecrawl is the easiest way to turn the web into data AI agents can use. One API call converts any URL into clean, LLM-ready markdown or structured data - the boring-hard problem everyone building with LLMs eventually hits, solved.
We hit 8 figures in ARR in year one and more than doubled it in year two. We have 147k+ GitHub stars, and developers, agents, and category-defining AI companies build on us every day. Growth like this is rare, and we're just getting started.
We're a small team punching far above our weight. Everyone here owns a real piece of the product and company, end to end, and runs it themselves - no hiding behind process or headcount.
This is a place for people who want to work at the frontier: an AI company building the infrastructure other AI companies run on, not one bolting AI onto an existing product. We move fast, go deep, and are building the tools superintelligence will rely on to gather data from the web.